We are given with an array of n integers and the task is to calculate the count all the triplets whose sum is equal to perfect cubeWhat is the perfect cubeA perfect cube is a number which is a cube of any number, like 125 is a cube of 5 ... Read More

We are given a string with, let’s say, str and the task is to compute the count of characters in a string str having the same neighbors and that will include both left and right side of a character in a string. Also, in this scenario the first and last ... Read More

We are given a range having start and end and the task is to calculate the count of hexadecimal numbers or alphabets present in the given range.What are Hexadecimal Alphabets?In computer terms, hexadecimal numbers are those numbers that are having base 16 which means the binary digit can be represented ... Read More

We are given a string of any length containing both uppercase and lowercase letters and the task is to compute the count of those characters whose ASCII values are prime.The ASCII values of uppercase letters[A-Z] start with 65 till 90 and lowercase letters[a-z] starts with 97 till 122.For ExampleInput string ... Read More

We are given a string of any length containing both uppercase and lowercase letters and the task is to compute the count of those characters that are at the same position as in english alphabets.For ExampleInput − String str = eBGD Output − Count is: 2Explanation − B and D ... Read More

We are given with an array of positive integers and the task is to calculate the count and sum of the composite elements in the given array.What are composite numbersFrom the given set of integers, the numbers that are not prime are called composite numbers except 1 which is neither ... Read More

We are given a prime number let’s say, num and the task is to calculate the count of all the numbers less than 10^6 whose minimum prime factor is equal to num.For ExampleInput − num = 7 Output − Number of prime factors = 38095 Input − num = ... Read More

We are given the two numbers let’s say x and y and the task is to find the common prime factors between two numbers. Common prime factors can be found by firstly calculating the common numbers between two numbers and after that checking from the list of common factors the ... Read More

We are given the range having start and end numbers and the task is to calculate the total count of Fibonacci numbers available between the given range in O(Log n) time and O(1) space.What are Fibonacci numbersFibonacci numbers are the sequence of numbers known as Fibonacci sequence where every new ... Read More

We are given an integer value and the task is to first calculate the factorial of a number and then calculate the total number of digits in a result.What is a factorial numberFactorial of a number is calculated by multiplying the digits in a number while decrementing the value of ... Read More